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st/mesa: enable GL_EXT_float_blend when possible

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If the driver supports PIPE_BIND_BLENABLE on RGBA32F, flip
EXT_float_blend on (which will affect ES3 contexts).

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
This commit is contained in:
Ilia Mirkin
2019-02-12 22:34:25 -05:00
parent 070a5e5d92
commit 9fec653093
1 changed files with 10 additions and 0 deletions
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src/mesa/state_tracker/st_extensions.c
+10
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@@ -820,6 +820,12 @@ void st_init_extensions(struct pipe_screen *screen,
PIPE_FORMAT_R16G16B16A16_SNORM } },
};
/* Required: render target, sampler, and blending */
static const struct st_extension_format_mapping rt_blendable[] = {
{ { o(EXT_float_blend) },
{ PIPE_FORMAT_R32G32B32A32_FLOAT } },
};
/* Required: depth stencil and sampler support */
static const struct st_extension_format_mapping depthstencil_mapping[] = {
{ { o(ARB_depth_buffer_float) },
@@ -1025,6 +1031,10 @@ void st_init_extensions(struct pipe_screen *screen,
init_format_extensions(screen, extensions, rendertarget_mapping,
ARRAY_SIZE(rendertarget_mapping), PIPE_TEXTURE_2D,
PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW);
init_format_extensions(screen, extensions, rt_blendable,
ARRAY_SIZE(rt_blendable), PIPE_TEXTURE_2D,
PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW |
PIPE_BIND_BLENDABLE);
init_format_extensions(screen, extensions, depthstencil_mapping,
ARRAY_SIZE(depthstencil_mapping), PIPE_TEXTURE_2D,
PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_SAMPLER_VIEW);